From 592a5fac533d34c60ce21365285bdf42ad254bf0 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Sun, 5 Apr 2020 21:56:55 -0400
Subject: [PATCH] fix bugs in doc makefile

---
 doc/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/Makefile b/doc/Makefile
index d1bd5fdaf7..895a4aa90d 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -194,7 +194,7 @@ $(VENV):
 		$(VIRTUALENV) -p $(PYTHON) $(VENV); \
 		. $(VENV)/bin/activate; \
 		pip install --upgrade pip; \
-               pip install Sphinx=2.4.4; \
+		pip install Sphinx==2.4.4; \
 		pip install sphinxcontrib-spelling ;\
 		pip install breathe; \
 		deactivate;\